Changes in solubility & absorption kinetics of medicinal products w/ pH-dependent bioavailability. Lowered C
max & AUC of dabigatran; tacrolimus. Possible raised gastric pH w/ azole antifungals (ketoconazole, itraconazole, posaconazole), anti-HIV agents (atazanavir, nelfinavir, indinavir, ritonavir, saquinavir, raltegravir, ledipasvir, rilpivirine) & tyrosine kinase inhibitors (erlotinib, dasatinib, nilotinib).